

        .lines{
            position: fixed;
            z-index: 2;
        }
        footer{
            position: relative;
            z-index: 2;
        }

        .ttl{
            text-align: center;
            letter-spacing: 5px;
        }
        .ttl .cn{
            font-size: 50px;
            margin-bottom: 20px;
        }
        .ttl .eng{
            font-size: 33px;
        }
        .lines p{
            position: fixed;
            z-index: 0;
        }
        main,footer{
            position: relative;
            z-index: 1;
        }
        main .heading{
            width: 75%;
            margin: 0 auto;
            padding-top: 100px;
            padding-bottom: 170px;
            justify-content: space-between;
        }
        main .heading .ttl{
            padding-left: 60px;
        }
        main .heading>p{
            width: 50%;
            line-height: 2.25;
            font-size: 22px;
            padding-left: 65px;
            letter-spacing: 1px;
        }
        main .heading .ttl{
            text-align: left;
        }
        main .heading .ttl .cn{
            font-size: 77px;
            margin-bottom: 25px;
        }
        main .heading .ttl .eng{
            font-size: 36px;
        }

        main .advtg{
            padding: 0px 105px;
            padding-top: 90px;
            padding-bottom: 115px;
            background: #000;
            position: relative;
            color: #fff;
            z-index: 2;
        }
        main .advtg .bg{
            opacity: .7;
            z-index: -1;
        }
        main .advtg .ttl{
            margin-bottom: 95px;
        }
        main .advtg .ttl{
            color: #fff;
        }
        main .advtg .list{
            margin-left: -30px;
        }
        main .advtg .list .item{
            margin-left: 30px;
            padding: 3.3vw 2.6vw;
            position: relative;
            transition: background .5s,transform .5s;
            z-index: 2;
            width: calc(25% - 30px);
        }
        main .advtg .list .item::after{
            content: '';
            background: #f0f0e6;
            opacity: 0;
            transition: .5s;
            z-index: -1;
        }
        main .advtg .list .item:hover{
            transform: translateY(-30px);
        }
        main .advtg .list .item:hover::after{
            opacity: .2;
        }
        main .advtg .list .item i,
        main .service .tips i{
            position: absolute;
            width: 100%;
            height: 2px;
            background: #fff;
            left: 0px;
            transition: .5s;
        }
        main .advtg .list .item i::before,
        main .advtg .list .item i::after,
        main .service .tips i::before,
        main .service .tips i::after{
            content: '';
            position: absolute;
            width: 2px;
            height: 50px;
            background: #fff;
            transition: .5s;
        }
        main .advtg .list .item:hover i,
        main .advtg .list .item:hover i::before,
        main .advtg .list .item:hover i::after{
            background: #e60012;
        }
        main .advtg .list .item .tp,
        main .service .tips.frozen .tp{
            top: -2px;
        }
        main .advtg .list .item .btm{            
            bottom: -2px;
        }
        main .advtg .list .item .tp::before,
        main .advtg .list .item .tp::after,
        main .service .tips .tp::before,
        main .service .tips .tp::after{
            top: 0px;
        }
        main .advtg .list .item .btm::before,
        main .advtg .list .item .btm::after,
        main .service .tips .btm::before,
        main .service .tips .btm::after{
            bottom: 0px;
        }
        main .advtg .list .item .tp::before,
        main .advtg .list .item .btm::before,
        main .service .tips .tp::before,
        main .service .tips .btm::before{
            left: -2px;
        }
        main .advtg .list .item .tp::after,
        main .advtg .list .item .btm::after,
        main .service .tips .tp::after,
        main .service .tips .btm::after{
            right: -2px;
        }
        
        

        
        main .advtg .list .item p{
            line-height: 1.6;
            font-size: 1.3vw;
            text-align: justify;
        }
        main .advtg .list .item p span{
            font-size: 2.6vw;
            font-weight: bold;
            display: inline-block;
            margin-right: 18px;
            line-height: 1;
            position: relative;
            top: 3px;
        }

        main .service{
            padding-top: 115px;
            padding-bottom: 180px;
            position: relative;
            z-index: 2;
        }
        main .service .tips{
            position: relative;
            width: 1510px;
            margin: 0 auto;
            margin-top: 150px;
            font-size: 40px;
            transition: transform .4s;
            transform: translateY(-50%);        
        }
        main .service .tips.frozen{
            transform: translateY(0px);
        }
        main .service .tips i{
            width: 64px;
            right: 0px;
            margin: auto;
            transition: top 1s,width  1s;
            transition-delay: .4s;
        }
        main .service .tips.frozen i{
            width: 100%;
        }
        main .service .tips i,
        main .service .tips i::before,
        main .service .tips i::after{
            background: #000;
        }
        main .service .tips i::before,
        main .service .tips i::after{
            height: 34px;
        }
        main .service .tips .tp{
            top: calc(50% - 33px);
        }
        main .service .tips .btm{
            top: calc(50% + 33px);
        }
        main .service .tips.frozen .btm{
            top: 100%;
        }
        main .service .tips em{
            position: absolute;
            width: 42px;
            height: 42px;
            top: 50%;
            left: calc(50% - 19px);
            transition: left 1s;
            transition-delay: .4s;
            transform: translateY(-50%) rotate(45deg);
            cursor: pointer;
        }
        main .service .tips .lft{
            border-left: 2px solid #000;
            border-bottom: 2px solid #000;
        }
        main .service .tips.frozen .lft{
            left: -21px;
        }
        main .service .tips .rht{
            border-top: 2px solid #000;
            border-right: 2px solid #000;
        }
        main .service .tips.frozen .rht{
            left: calc(100% - 21px);
        }
        main .service .tips .tpSwp{
            opacity: 0;
            line-height: 1.4;
            text-align: center;
            transition: opacity .5s 1.4s;
        }
        main .service .tips .tpSwp p{
            padding: 105px 40px;
        }
        main .service .tips.frozen .tpSwp{
            opacity: 1;
        }

        main .dnld{
            background: #f0f0e6;
            padding: 130px 80px;
        }
        main .dnld>*{
            position: relative;
            z-index: 2;
        }
        main .dnld .ttl{
            margin-bottom: 105px;
        }
        main .dnld .dnldSwp .item{
            background: #fff;
            text-align: center;
            padding-top: 100px;
            padding-bottom: 65px;
        }
        main .dnld .dnldSwp .item .name{
            font-size: 38px;
            margin-bottom: 68px;
            font-weight: bold;
        }
        main .dnld .dnldSwp .item a{
            display: inline-flex;
            vertical-align: top;
            width: 255px;
            border: #949494 2px solid;
            transition: border .5s,color.5s;
            height: 70px;
            font-size: 22px;
            font-weight: bold;
        }
        main .dnld .dnldSwp .item a:hover{
            border-color: #e60012;
            color: #e60012;
        }
        main .dnld .dnldSwp .item a span{
            width: 30px;
            position: relative;
            margin-right: 30px;
        }
        main .dnld .dnldSwp .item a span img:last-child{
            position: absolute;
            top: 0px;
            left: 0px;
        }

        @media(max-width:1700px){
            main .service .tips{
                width: 1500px;
            }
        }

        @media(max-width:1600px){
            .ttl .cn{
                font-size: 40px;
            }
            .ttl .eng{
                font-size: 24px;
            }
            
            main .heading{
                padding-top: 80px;
                padding-bottom: 140px;
            }
            main .heading .ttl{
                padding-left: 30px;
            }
            main .heading .ttl .cn{
                font-size: 60px;
            }
            main .heading .ttl .eng{
                font-size: 30px;
            }
            main .heading>p{
                font-size: 20px;
            }

            main .advtg{
                padding: 0px 80px;
                padding-top: 70px;
                padding-bottom: 90px;
            }

            main .service{
                padding-top: 7.1875vw;
                padding-bottom: 11.25vw;
            }
            main .service .tips{
                margin-top: 9.375vw;
                width: calc(100% - 120px);
            }

            main .dnld{
                padding: 130px 5vw;
            }
            main .dnld .dnldSwp .item a{
                width: 210px;
                height: 60px;
                font-size: 20px;
            }
            main .dnld .dnldSwp .item a span{
                width: 26px;
            }
            
        }

        @media(max-width:1200px){
            main .heading{
                padding-top: 6.6vw;
                padding-bottom: 11.6vw;
            }
            main .heading .ttl .cn{
                font-size: 50px;
                margin-bottom: 20px;
            }
            main .heading .ttl .eng{
                font-size: 24px;
            }
            main .heading>p{
                padding-left: 25px;
            }

            main .advtg{
                padding: 0px 40px;
                padding-top: 5.8vw;
                padding-bottom: 7.5vw;
            }
            main .advtg .ttl{
                margin-bottom: 7.9vw;
            }

            .ttl .cn{
                font-size: 32px;
                margin-bottom: 15px;
            }
            .ttl .eng{
                font-size: 20px;
            }

            main .service .tips{
                font-size: 30px;
            }
            main .service .tips .tpSwp p{
                padding: 70px 40px;
            }
            main .service .tips em{
                width: 32px;
                height: 32px;
                left: calc(50% - 15px);
            }
            main .service .tips.frozen .lft{
                left: -16px;
            }
            main .service .tips.frozen .rht {
                left: calc(100% - 16px);
            }

            main .dnld{
                padding: 10.8vw 40px;
            }
            main .dnld .ttl{
                margin-bottom: 8.75vw;
            }
            main .dnld .dnldSwp .item{
                padding-top: 8.3vw;
                padding-bottom: 5.4vw;
            }
            main .dnld .dnldSwp .item .name{
                margin-bottom: 5.6vw;
                font-size: 3.1vw;
            }
            main .dnld .dnldSwp .item a {
                width: 160px;
                height: 50px;
                font-size: 18px;
            }
        }

        @media(max-width:1024px){
            main .heading .ttl{
                padding-left: 0px;
            }
            main .heading .ttl .cn{
                font-size: 42px;
                margin-bottom: 15px;
            }
            main .heading .ttl .eng{
                font-size: 20px;
            }
            main .heading>p{
                font-size: 18px;
            }


            main .advtg .list{
                margin-left: -15px;
            }
            main .advtg .list .item{
                padding: 15px;
                margin-left: 15px;
                width: calc(25% - 15px);
            }

            main .service .tips{
                font-size: 24px;
                width: calc(100% - 60px);
            }
            main .service .tips .tpSwp p{
                padding: 60px 20px;
            }
            main .service .tips em{
                width: 24px;
                height: 24px;
                left: calc(50% - 12px);
            }
            main .service .tips.frozen .lft{
                left: -12px;
            }
            main .service .tips.frozen .rht {
                left: calc(100% - 12px);
            }
            main .service .tips .btm{
                top: calc(50% + 29px);
            }
            main .service .tips .tp{
                top: calc(50% - 29px);
            }
            main .service .tips i{
                width: 60px;
            }
            main .service .tips i::before, 
            main .service .tips i::after{
                height: 30px;
            }

            main .dnld .dnldSwp .item a {
                width: 120px;
                height: 45px;
                font-size: 16px;
            }
            main .dnld .dnldSwp .item a span{
                width: 22px;
                margin-right: 15px;
            }
        }
        

        @media(max-width:767px){
            main .heading{
                width: 100%;
                padding: 0px 25px;
                padding-top: 40px;
                padding-bottom: 50px;
                display: block;
            }
            main .heading>p{
                width: 100%;
                font-size: 14px;
                margin-top: 25px;
            }
            main .heading .ttl .cn{
                font-size: 30px;
                margin-bottom: 10px;
            }
            main .heading .ttl .eng{
                font-size: 16px;
            }

            .ttl .cn{
                font-size: 28px;
            }
            .ttl .eng{
                font-size: 16px;
            }
            
            main .advtg{
                padding-left: 25px;
                padding-right: 25px;
            }
            main .advtg .list,
            main .advtg .list .item{
                margin-left: 0px;
            }
            main .advtg .list{
                display: block;
            }
            main .advtg .list .item{
                width: 100%;
                margin-top: 25px;
                transform: initial !important;
            }
            main .advtg .list .item:first-child{
                margin-top: 0px;
            }
            main .advtg .list .item p{
                font-size: 14px;
            }
            main .advtg .list .item p span{
                display: block;
                margin-bottom: 10px;
                font-size: 20px;
            }
            main .advtg .list .item i::before, 
            main .advtg .list .item i::after{
                height: 30px;
            }

            main .service .tips{
                font-size: 20px;
            }
            main .service .tips .tpSwp p{
                padding: 50px 20px;
            }
            main .service .tips em{
                width: 20px;
                height: 20px;
                left: calc(50% - 10px);
            }
            main .service .tips.frozen .lft{
                left: -10px;
            }
            main .service .tips.frozen .rht {
                left: calc(100% - 10px);
            }
            main .service .tips .btm{
                top: calc(50% + 19px);
            }
            main .service .tips .tp{
                top: calc(50% - 19px);
            }
            main .service .tips i{
                width: 40px;
            }
            main .service .tips i::before, 
            main .service .tips i::after{
                height: 20px;
            }

            main .dnld{
                padding-left: 35px;
                padding-right: 35px;
            }
            main .dnld .dnldSwp .item .name{
                font-size: 20px;
            }
            main .dnld .dnldSwp .item a{
                font-size: 14px;
                height: 40px;
                width: 100px;
            }
            main .dnld .dnldSwp .item a span{
                width: 20px;
                margin-right: 16px;
            }
        }